Quote Originally Posted by louisville97
I am told that the bulb must be mounted a certain way, or it runs the risk of exploding due to the sheer mass of the element sagging when it gets hot.
Hello...

I don't think that what you've been told is right. That bulbs aren't that shitty.

As for positioning, I would place it sideways...
turtle420 Reviewed by turtle420 on . Lighting,,and no help in the FAQ section. To all the Imperial Leaders that know all. I am in the process of upgrading an extremely efficient refrigerator/grow cabinet. I am needing help on the positioning of the 400w metal halide bulb. I am converting from a vertical MH bulb to a horizontal mount. I am told that the bulb must be mounted a certain way, or it runs the risk of exploding due to the sheer mass of the element sagging when it gets hot. I have seen Cool Tubes using horizontal mounted MH bulbs, and all of the Mogul sockets are Rating: 5